Nominal pressure, bar |
6, 10, 16 |
Operating medium |
I – water, air without oil content with temperature from -10ºС to +125ºС; II – hydrocarbons, oils, natural gas, air with oil content, petrochemicals with temperature from -10ºС to +80ºС |
Tightness class |
А according to 9544 |
ПConnection to pipeline |
Flanged according to GOST 12815 |
Disk rotation |
90° |
Applied standards |
ТУ У 29.1-01528536-008:2006 |
Operating medium flow |
Any direction |
Drive type |
2 – manual (handle); 3 – warm-gear drive; 9 – actuator |
Driving attachment flange |
according to EN ISO 5211 |
Installation position |
Any situation, with actuator in upper hemisphere |
Valves with the specific customer requirements can be manufactured provided that stated requirements are compatible with the applicable operating standards.
MAIN PARTS MATERAL
Arrangement I | Arrangement II | |
Body |
СЧ 25 with protecting coating |
СЧ 25 with protecting coating |
Disk* | СЧ 25 with protecting coating | СЧ 25 with protecting coating |
Cone pin | Steel 20Х13, 14Х17Н2 | Steel 20Х13, 14Х17Н2 |
Shaft | Steel 20Х13, 14Х17Н2 | Steelь 20Х13, 14Х17Н2 |
Shaft bushing | Bronze | Bronze |
Butterfly packing | Metal-rubber | Metal-rubber |
Medium | I | II |
Packing ring | EPDM | NBR |
Shaft packing | Rubber rings | Rubber rings |
* Disk made of yellow metal, aluminium bronze, 08Х18Н10ТЛ, 12Х18Н12М3ТЛ steel and ВЧ 35 with epoxy coating can be manufactured (uppon customer's request)